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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/mochitest/test_finalizationRegistry_incumbent.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+ <head>
+ <meta charset="utf-8">
+ <title>Test FinalizationRegistry tracks its incumbent global</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript">
+ let resolvePromise, rejectPromise;
+
+ async function runTest(global, callback) {
+ let fr = new global.FinalizationRegistry(callback);
+ fr.register({}, undefined);
+
+ SpecialPowers.DOMWindowUtils.garbageCollect();
+
+ let promise = new Promise((resolve, reject) => {
+ resolvePromise = resolve;
+ rejectPromise = reject;
+ });
+
+ return promise;
+ }
+
+ function receiveMessage(event) {
+ resolvePromise(event.source.sourceName);
+ }
+
+ async function go() {
+ // This test uses FinalizationRegistry to trigger a callback and reports
+ // the incumbent global in the callback using postMessage. In all cases
+ // the author function that scheduled the callback is runTest(), so the
+ // incumbent global should be the main window.
+
+ SimpleTest.waitForExplicitFinish();
+
+ window.sourceName = "main";
+ window.addEventListener("message", receiveMessage, false);
+
+ let other = window.frames[0];
+ other.sourceName = "other";
+ other.addEventListener("message", receiveMessage, false);
+
+ is(await runTest(window, v => window.postMessage(v)), "main");
+ is(await runTest(window, window.postMessage.bind(window)), "main");
+ is(await runTest(other, v => other.postMessage(v)), "main");
+ is(await runTest(other, other.postMessage.bind(other)), "main");
+ is(await runTest(window, v => other.postMessage(v)), "main");
+ is(await runTest(window, other.postMessage.bind(other)), "main");
+ is(await runTest(other, v => window.postMessage(v)), "main");
+ is(await runTest(other, window.postMessage.bind(window)), "main");
+
+ SimpleTest.finish();
+ }
+ </script>
+ </head>
+ <body onload="go()">
+ <div style="display: none">
+ <!-- A subframe so we have another global to work with -->
+ <iframe></iframe>
+ </div>
+ </body>
+</html>